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Table 1 Demographic data (mean ± standard deviation)

From: Reduced peripheral arterial blood flow with preserved cardiac output during submaximal bicycle exercise in elderly heart failure

  Healthy
(n = 13)
Heart Failure
(n = 12)
p-value
Male, n(%) 6(46%) 6(50%) 0.85
Age (years) 67 ± 5 70 ± 8 0.29
Weight (kg) 76 ± 11 81 ± 14 0.41
Height (cm) 171 ± 10 169 ± 10 0.5
BSA (m 2 ) 1.9 ± 0.2 1.9 ± 0.2 0.64
LVEF(%) 66 ± 7 48 ± 25 0.04*
Diabetes, n(%) 0(0%) 1(8%) 0.48
Hypertension, n (%) 0(0%) 8(67%) 0.001*
Hypercholesterolemia 0(0%) 8(67%) 0.001*
Prior myocardial infarction 0(0%) 4(33%) 0.04*
COPD/Asthma 0(0%) 2(17%) 0.22
Medication, n(%)    
   Betablocker 0(0%) 8(67%) <0.001*
   ACE inhibitor 0(0%) 6(50%) 0.01*
   ARB 0(0%) 2(17%) 0.22
   Calcium channel blocker 1(8%) 3(25%) 0.32
   Digoxin 0(0%) 2(17%) 0.22
   Hydralazine 0(0%) 1(8%) 0.48
   Nitrate 0(0%) 2(17%) 0.22
   Aspirin/NSAID 9(69%) 6(50%) 0.43
   Diuretic 0(0%) 6(50%) 0.01*
   Statin 0(0%) 5(42%) 0.01*
   Calcium supplement 5(38%) 2(17%) 0.38
   Prior hormone replacement therapy 1(8%) 0(0%) 1
Hemoglobin (g/dl) 14.9 ± 1.7 13.1 ± 1.4 0.02*
BNP 20 ± 12 118 ± 132 0.06
Serum sodium level 143 ± 2 142 ± 2 0.61
* = p < 0.05    
  1. Abbreviation: ACE = Angiotensin converting enzyme; ARB = Angiotensin II receptor blocker; BMI = Body mass index; BNP = B-Type natriuretic peptide; BSA = Body surface area; BUN = Blood urea nitrogen; COPD = chronic obstructive airway disease; FBS = Fasting blood sugar; LVEF = left ventricular ejection fraction; NSAID = Non-steroid anti-inflammatory drug